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10 PCM-6890B User Manual
Jumpers and connectors
Connectors on the board link it to external devices such as hard
disk drives, a keyboard, or floppy drives. In addition, the board
has a number of jumpers that allow you to configure your system
to suit your application.
The following tables list the function of each of the board's
jumpers and connectors.
Jumpers
Label
Function
J1
Clear CMOS
J2
System temperature thermal sensor
J3
COM4 RI pin voltage select
J4
COM3 RI pin voltage select
J5
Audio output select
J6
ATX soft-power switch connector
J7
COM2 RS-232/422/485 select
J8
LCD clock select
J9
LCD driving voltage select
J10
COM2 RS-232/422/485 select
SW1 (2~3)
DOC address select
JP1
Mic_Amp
Summary of Contents for PCM-6890B
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